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复旦大学新闻学院新媒体硕士课程

使用folium做地图可视化

王成军

wangchengjun@nju.edu.cn

计算传播网 http://computational-communication.com





In [4]:



    


import folium, jinja2, vincent
from IPython.display import IFrame
from IPython.core.display import HTML
print(folium.__file__)
print(folium.__version__)



    


















    






/Users/chengjun/anaconda/lib/python2.7/site-packages/folium-0.3.0.dev0-py2.7.egg/folium/__init__.pyc
0.3.0.dev

读入数据





In [76]:



    


import pickle

node_pkl = open('/Users/chengjun/GitHub/cjc2016/data/nodeLoc.pkl', 'rb')
nodeLoc = pickle.load(node_pkl)
node_pkl.close()

edge_pkl = open('/Users/chengjun/GitHub/cjc2016/data/edgeLoc.pkl', 'rb')
edgeLoc = pickle.load(edge_pkl)
edge_pkl.close()

绘制地图





In [5]:



    


map_osm = folium.Map(location=[45.5236, -122.6750])
map_osm



    


















    
Out[5]:
























In [77]:



    


beijing = folium.Map(location=(39.90403,116.407526), zoom_start=10)



    











In [78]:



    


beijing



    


















    
Out[78]:

MarkerCluster





In [64]:



    


from folium.plugins import MarkerCluster

locations = nodeLoc
popups = ['{}'.format(loc) for loc in locations]
beijing.add_children(MarkerCluster(locations=locations, popups=popups))



    


















    
Out[64]:

HeatMap





In [57]:



    


from folium import plugins

beijing.add_children(plugins.HeatMap(locations))



    


















    
Out[57]:
























In [ ]:



    


beijing.save('/Users/chengjun/GitHub/cjc2016/code/beijing_mobile.html')

PolyLine





In [65]:



    


colors = ['blue','orange',  'red']
for k, community in enumerate(edgeLoc):
    locations = edgeLoc[community]
    for loc in locations:
        line = folium.PolyLine(locations=loc, color=colors[k])
        beijing.add_children(line)



    











In [66]:



    


beijing



    


















    
Out[66]: